Keycloak

Keycloak is an open source Identity and Access Management solution aimed at modern applications and services. Keycloak provides fine-grained authorization services as well. These can be used to manage permissions for services from the Keycloak admin console and lets users define exactly the policies needed.

Features:

• Single-Sign On - Login once to multiple applications
• Standard Protocols - OpenID Connect, OAuth 2.0 and SAML 2.0
• Centralized Management - For admins and users
• Adapters - Secures applications and services
• LDAP and Active Directory - Connect to existing user directories
• Social Login - Can be used to enable social login
• Identity Brokering - OpenID Connect or SAML 2.0 IdPs
• Performance - Designed to be lightweight, fast and scalable
• Clustering - For scalability and availability
• Themes - Customized look and feel
• Extensible - Can be customized through code
• Password Policies - Customizable password policies